The Orrery
Orrery User Guide
Earth Viewer
work in progress
Home
Space/Science
↳
Transient Alerts
Geek Speak
Science Fiction
Current Events
Off Topic
Flame
Guest Board
☰
Space/Science
Space/Science
Transient Alerts
Geek Speak
Science Fiction
Current Events
Off Topic
Flame
Guest Board
☰
Recent posts
Recent posts
Fewer Transient Alerts coming
BuckGalaxy
November 2, 2026 5:48 pm
(Space/Science)
This report from Congress came out last week...
podrock
November 1, 2026 11:22 pm
(Current Events)
Happy Halloween
podrock
October 31, 2026 3:03 am
(Off Topic)
Expect one hell of a recession/depression in 2027
Arrell
October 31, 2026 1:16 am
(Current Events)
Next week will get ugly....
Arrell
October 30, 2026 2:02 pm
(Current Events)
Sir Patrick Stewart.
podrock
October 30, 2026 11:52 am
(Off Topic)
Bernie Taupin. A great interview
podrock
October 30, 2026 3:05 am
(Off Topic)
A new Dwarf Planet?
Arrell
October 30, 2026 12:49 am
(Space/Science)
John Wheeler's philosophy: "Beyond the Black Hole"
RL
October 17, 2025 5:00 am
(Space/Science)
"Engage!"
BuckGalaxy
October 29, 2026 10:58 pm
(Off Topic)
On this day in Space/Science
1 year ago (that week)
New Glenn set for its second launch on November 9
7 replies · Nov 5, 2025
5 years ago (that week)
ZEISS Mineralogic 3D
1 reply · Nov 3, 2021
10 years ago (that week)
CO2 to ethanol
0 replies · Nov 1, 2016
Search the board
Go
Home
Guide
Resources
Orrery
Earth viewer
Sea ice
Log in
Register
Space/Science
question
delbert
—
7/30/2002 12:14:05 PM
(archived)
what is the largest astronomical telescope in the world?
Log in
or
register
to post.
The whole thread
(5 posts)
question
-
delbert
-
7/30/2002 12:14:05 PM
Answer
-
Delbert
-
7/30/2002 3:53:02 PM
I should have specified optical. n/t
(n/t)
-
Delbert
-
7/30/2002 3:48:47 PM
No simple answer
-
R.L.
-
7/30/2002 12:50:10 PM
Re: No simple answer
-
gbaikie
-
7/30/2002 1:13:19 PM
HabitableZone — be civil, or at least entertaining.
